Blackhorn Ventures Research
Investment Thesis
Blackhorn Ventures is an early-stage venture capital firm founded in 2017 and built on the "Industry 4.0" thesis: that the transformation and decarbonization of our industrial economy requires unprecedented levels of new digital infrastructure. The firm believes the convergence of artificial intelligence and industrial policy creates an unprecedented opportunity to digitize and decarbonize the physical asset base while improving resource efficiency and national security.
The firm backs best-in-class companies building software-centric solutions for the largest and most critical industrial sectors. These interconnected industries—energy, construction/built environment, supply chain/logistics, and transportation—generate $3 trillion in annual revenue and form the foundation of U.S. and global GDP.
Sector Focus
Blackhorn explicitly focuses on four core sectors:
Energy & Grid: Grid modernization, demand intelligence, renewable energy deployment, electrification infrastructure, industrial decarbonization software. Portfolio includes ThinkLabs (grid AI), Electric Era (EV charging), renewable energy companies.
Construction & Built Environment: Construction optioneering, digital project management, modular construction, building automation, construction payment automation, HVAC management. Portfolio includes ALICE Technologies, Tekton, Hyperframe, Specifx.
Supply Chain & Logistics: Supply chain transparency software, robotics for warehouse automation, freight management, fleet electrification, logistics optimization. Portfolio includes Dexterity, Vecna Robotics, Formic, Tristar AI, Isometric Technologies.
Transportation & Mobility: Electric vehicle charging infrastructure, fleet electrification, last-mile mobility solutions, rail optimization, shared mobility platforms. Portfolio includes Ridepanda, RailVision Analytics, Motiv.
Cross-sector platforms: AI/ML for manufacturing optimization, IoT development platforms, emissions tracking software, cyber-physical systems.
Investment Philosophy
Blackhorn invests in capital-efficient, asset-light companies that operate in hard-to-abate industrial sectors. Their portfolio companies deliver operational savings, improvements in labor productivity, and outsized environmental and social outcomes including greenhouse gas emission reductions.
The firm embraces a "bits and atoms" approach to decarbonization—using enterprise software business models, off-the-shelf hardware, and asset-light approaches to scale renewable energy deployment, decarbonize building stock, increase supply chain resiliency, and increase zero-emission vehicle penetration.
Stage & Check Size Focus
Blackhorn is exclusively a Series Seed and Series A investor. They believe this is where companies formulate their DNA and where VCs can have material impact on achieving escape velocity.
- Seed stage: Typically $1M-$5M for teams with early product and initial customers
- Series A: Typically $8M-$15M for companies with product-market fit
- Minimum check size: $500,000
- Maximum historical check size: Up to $15M+ for strong Series A opportunities
They maintain 50% of fund reserves for follow-on investments in existing portfolio companies.
Lead Tendency & Fund Status
Strong lead investor tendency. Blackhorn explicitly leads rounds: led Series A in Isometric Technologies, led $10M Series A in Datch, led $2.7M round in Tristar AI, led Rhumbix investment.
Actively deploying Industrial Impact Fund II (IIF II), a $150M fund closed in 2024. Recent investments include Lemurian Labs and Tristar AI (both December 2025), Ridepanda (October 2025), plus ongoing support for Golioth, Optera, Formic, ThinkLabs.
Portfolio Metrics: 63+ portfolio companies, 90+ total investments, 21 seed-stage investments averaging $4.22M, approximately 3 exits, 12+ rounds per year deployment pace.
Team & Expertise
Leadership:
- Philip O'Connor (Co-Founder, Managing Partner) - Former PAX Pure CEO (industrial water treatment). MBA in Sustainable Management, environmental policy background.
- Melissa Cheong (Managing Partner) - SaaS expertise, thought leader on VC diversity.
- Micah Kotch (Partner) - NY-based climate tech investor.
- Stephan Cizmar (Partner) - SaaS and scaling specialist.
- Jack Fuchs (Co-Founder, Operating Partner) - Stanford lecturer on entrepreneurship.
Operating Partners & Advisors:
- Eric Lamb (Operating Partner)
- Bill Ritter (Senior Advisor) - Former Colorado Governor, climate policy leader
- Dr. Raymond Levitt (Senior Advisor) - Stanford construction expert
- Mark Loch (Senior Advisor) - Logistics/supply chain expertise
Collective team experience: 250+ industrial tech company investments, 25+ exits, deep operational networks across energy, construction, supply chain industries.
Decision Process & Best Fit
Partnership model with collaborative decision-making. Seed decisions: 2-4 weeks. Series A decisions: 4-8 weeks.
Warm introductions strongly preferred - relationship-driven firm relying on founder and operator referrals.
Best fit: Enterprise software solving operational problems in energy, construction, supply chain, transportation; capital-efficient models; founding teams with deep domain expertise; Series Seed or Series A stage; technical teams with hyperscaler backgrounds.
Not a fit: Consumer apps, pure hardware, biotech, late-stage companies (Series B+).
Geographic Presence
Headquarters: Boulder, Colorado with deep Colorado cleantech ties. Investment geography: US-focused (Denver, SF Bay Area, NYC) with selective international (Berlin, other strategic centers).